178706268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{997}}^1$

素因数の和:1403

約数の個数: 72

約数和(自身を含む): 488237568

約数和(自身を除く): 309531300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 383, 468, 766, 997, 1149, 1532, 1994, 2298, 2991, 3447, 3988, 4596, 4979, 5982, 6894, 8973, 9958, 11964, 12961, 13788, 14937, 17946, 19916, 25922, 29874, 35892, 38883, 44811, 51844, 59748, 77766, 89622, 116649, 155532, 179244, 233298, 381851, 466596, 763702, 1145553, 1527404, 2291106, 3436659, 4582212, 4964063, 6873318, 9928126, 13746636, 14892189, 19856252, 29784378, 44676567, 59568756, 89353134, 178706268]

約数ペア:

[(1, 178706268), (2, 89353134), (3, 59568756), (4, 44676567), (6, 29784378), (9, 19856252), (12, 14892189), (13, 13746636), (18, 9928126), (26, 6873318), (36, 4964063), (39, 4582212), (52, 3436659), (78, 2291106), (117, 1527404), (156, 1145553), (234, 763702), (383, 466596), (468, 381851), (766, 233298), (997, 179244), (1149, 155532), (1532, 116649), (1994, 89622), (2298, 77766), (2991, 59748), (3447, 51844), (3988, 44811), (4596, 38883), (4979, 35892), (5982, 29874), (6894, 25922), (8973, 19916), (9958, 17946), (11964, 14937), (12961, 13788)]