31238964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 84084000

約数和(自身を除く): 52845036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 419, 436, 654, 684, 838, 981, 1257, 1308, 1676, 1962, 2071, 2514, 3771, 3924, 4142, 5028, 6213, 7542, 7961, 8284, 12426, 15084, 15922, 18639, 23883, 24852, 31844, 37278, 45671, 47766, 71649, 74556, 91342, 95532, 137013, 143298, 182684, 274026, 286596, 411039, 548052, 822078, 867749, 1644156, 1735498, 2603247, 3470996, 5206494, 7809741, 10412988, 15619482, 31238964]

約数ペア:

[(1, 31238964), (2, 15619482), (3, 10412988), (4, 7809741), (6, 5206494), (9, 3470996), (12, 2603247), (18, 1735498), (19, 1644156), (36, 867749), (38, 822078), (57, 548052), (76, 411039), (109, 286596), (114, 274026), (171, 182684), (218, 143298), (228, 137013), (327, 95532), (342, 91342), (419, 74556), (436, 71649), (654, 47766), (684, 45671), (838, 37278), (981, 31844), (1257, 24852), (1308, 23883), (1676, 18639), (1962, 15922), (2071, 15084), (2514, 12426), (3771, 8284), (3924, 7961), (4142, 7542), (5028, 6213)]