31979910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 80123904

約数和(自身を除く): 48143994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 137, 155, 186, 251, 274, 310, 411, 465, 502, 685, 753, 822, 930, 1255, 1370, 1506, 2055, 2510, 3765, 4110, 4247, 7530, 7781, 8494, 12741, 15562, 21235, 23343, 25482, 34387, 38905, 42470, 46686, 63705, 68774, 77810, 103161, 116715, 127410, 171935, 206322, 233430, 343870, 515805, 1031610, 1065997, 2131994, 3197991, 5329985, 6395982, 10659970, 15989955, 31979910]

約数ペア:

[(1, 31979910), (2, 15989955), (3, 10659970), (5, 6395982), (6, 5329985), (10, 3197991), (15, 2131994), (30, 1065997), (31, 1031610), (62, 515805), (93, 343870), (137, 233430), (155, 206322), (186, 171935), (251, 127410), (274, 116715), (310, 103161), (411, 77810), (465, 68774), (502, 63705), (685, 46686), (753, 42470), (822, 38905), (930, 34387), (1255, 25482), (1370, 23343), (1506, 21235), (2055, 15562), (2510, 12741), (3765, 8494), (4110, 7781), (4247, 7530)]