287721252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1338

約数の個数: 144

約数和(自身を含む): 908474112

約数和(自身を除く): 620752860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 71, 78, 84, 91, 117, 126, 142, 156, 182, 213, 234, 252, 273, 284, 364, 426, 468, 497, 546, 639, 819, 852, 923, 994, 1092, 1237, 1278, 1491, 1638, 1846, 1988, 2474, 2556, 2769, 2982, 3276, 3692, 3711, 4473, 4948, 5538, 5964, 6461, 7422, 8307, 8659, 8946, 11076, 11133, 12922, 14844, 16081, 16614, 17318, 17892, 19383, 22266, 25844, 25977, 32162, 33228, 34636, 38766, 44532, 48243, 51954, 58149, 64324, 77532, 77931, 87827, 96486, 103908, 112567, 116298, 144729, 155862, 175654, 192972, 225134, 232596, 263481, 289458, 311724, 337701, 351308, 450268, 526962, 578916, 614789, 675402, 790443, 1013103, 1053924, 1141751, 1229578, 1350804, 1580886, 1844367, 2026206, 2283502, 2459156, 3161772, 3425253, 3688734, 4052412, 4567004, 5533101, 6850506, 7377468, 7992257, 10275759, 11066202, 13701012, 15984514, 20551518, 22132404, 23976771, 31969028, 41103036, 47953542, 71930313, 95907084, 143860626, 287721252]

約数ペア:

[(1, 287721252), (2, 143860626), (3, 95907084), (4, 71930313), (6, 47953542), (7, 41103036), (9, 31969028), (12, 23976771), (13, 22132404), (14, 20551518), (18, 15984514), (21, 13701012), (26, 11066202), (28, 10275759), (36, 7992257), (39, 7377468), (42, 6850506), (52, 5533101), (63, 4567004), (71, 4052412), (78, 3688734), (84, 3425253), (91, 3161772), (117, 2459156), (126, 2283502), (142, 2026206), (156, 1844367), (182, 1580886), (213, 1350804), (234, 1229578), (252, 1141751), (273, 1053924), (284, 1013103), (364, 790443), (426, 675402), (468, 614789), (497, 578916), (546, 526962), (639, 450268), (819, 351308), (852, 337701), (923, 311724), (994, 289458), (1092, 263481), (1237, 232596), (1278, 225134), (1491, 192972), (1638, 175654), (1846, 155862), (1988, 144729), (2474, 116298), (2556, 112567), (2769, 103908), (2982, 96486), (3276, 87827), (3692, 77931), (3711, 77532), (4473, 64324), (4948, 58149), (5538, 51954), (5964, 48243), (6461, 44532), (7422, 38766), (8307, 34636), (8659, 33228), (8946, 32162), (11076, 25977), (11133, 25844), (12922, 22266), (14844, 19383), (16081, 17892), (16614, 17318)]