12921732

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 34234200

約数和(自身を除く): 21312468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 89, 109, 111, 148, 178, 218, 222, 267, 327, 333, 356, 436, 444, 534, 654, 666, 801, 981, 1068, 1308, 1332, 1602, 1962, 3204, 3293, 3924, 4033, 6586, 8066, 9701, 9879, 12099, 13172, 16132, 19402, 19758, 24198, 29103, 29637, 36297, 38804, 39516, 48396, 58206, 59274, 72594, 87309, 116412, 118548, 145188, 174618, 349236, 358937, 717874, 1076811, 1435748, 2153622, 3230433, 4307244, 6460866, 12921732]

約数ペア:

[(1, 12921732), (2, 6460866), (3, 4307244), (4, 3230433), (6, 2153622), (9, 1435748), (12, 1076811), (18, 717874), (36, 358937), (37, 349236), (74, 174618), (89, 145188), (109, 118548), (111, 116412), (148, 87309), (178, 72594), (218, 59274), (222, 58206), (267, 48396), (327, 39516), (333, 38804), (356, 36297), (436, 29637), (444, 29103), (534, 24198), (654, 19758), (666, 19402), (801, 16132), (981, 13172), (1068, 12099), (1308, 9879), (1332, 9701), (1602, 8066), (1962, 6586), (3204, 4033), (3293, 3924)]