201221748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 631088640

約数和(自身を除く): 429866892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 239, 252, 257, 273, 364, 468, 478, 514, 546, 717, 771, 819, 956, 1028, 1092, 1434, 1542, 1638, 1673, 1799, 2151, 2313, 2868, 3084, 3107, 3276, 3341, 3346, 3598, 4302, 4626, 5019, 5397, 6214, 6682, 6692, 7196, 8604, 9252, 9321, 10023, 10038, 10794, 12428, 13364, 15057, 16191, 18642, 20046, 20076, 21588, 21749, 23387, 27963, 30069, 30114, 32382, 37284, 40092, 43498, 46774, 55926, 60138, 60228, 61423, 64764, 65247, 70161, 86996, 93548, 111852, 120276, 122846, 130494, 140322, 184269, 195741, 210483, 245692, 260988, 280644, 368538, 391482, 420966, 429961, 552807, 737076, 782964, 798499, 841932, 859922, 1105614, 1289883, 1596998, 1719844, 2211228, 2395497, 2579766, 3193996, 3869649, 4790994, 5159532, 5589493, 7186491, 7739298, 9581988, 11178986, 14372982, 15478596, 16768479, 22357972, 28745964, 33536958, 50305437, 67073916, 100610874, 201221748]

約数ペア:

[(1, 201221748), (2, 100610874), (3, 67073916), (4, 50305437), (6, 33536958), (7, 28745964), (9, 22357972), (12, 16768479), (13, 15478596), (14, 14372982), (18, 11178986), (21, 9581988), (26, 7739298), (28, 7186491), (36, 5589493), (39, 5159532), (42, 4790994), (52, 3869649), (63, 3193996), (78, 2579766), (84, 2395497), (91, 2211228), (117, 1719844), (126, 1596998), (156, 1289883), (182, 1105614), (234, 859922), (239, 841932), (252, 798499), (257, 782964), (273, 737076), (364, 552807), (468, 429961), (478, 420966), (514, 391482), (546, 368538), (717, 280644), (771, 260988), (819, 245692), (956, 210483), (1028, 195741), (1092, 184269), (1434, 140322), (1542, 130494), (1638, 122846), (1673, 120276), (1799, 111852), (2151, 93548), (2313, 86996), (2868, 70161), (3084, 65247), (3107, 64764), (3276, 61423), (3341, 60228), (3346, 60138), (3598, 55926), (4302, 46774), (4626, 43498), (5019, 40092), (5397, 37284), (6214, 32382), (6682, 30114), (6692, 30069), (7196, 27963), (8604, 23387), (9252, 21749), (9321, 21588), (10023, 20076), (10038, 20046), (10794, 18642), (12428, 16191), (13364, 15057)]