31293988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 65691360

約数和(自身を除く): 34397372

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 83, 121, 164, 166, 209, 242, 332, 418, 451, 484, 779, 836, 902, 913, 1558, 1577, 1804, 1826, 2299, 3116, 3154, 3403, 3652, 4598, 4961, 6308, 6806, 8569, 9196, 9922, 10043, 13612, 17138, 17347, 19844, 20086, 34276, 34694, 37433, 40172, 64657, 69388, 74866, 94259, 129314, 149732, 188518, 190817, 258628, 377036, 381634, 411763, 711227, 763268, 823526, 1422454, 1647052, 2844908, 7823497, 15646994, 31293988]

約数ペア:

[(1, 31293988), (2, 15646994), (4, 7823497), (11, 2844908), (19, 1647052), (22, 1422454), (38, 823526), (41, 763268), (44, 711227), (76, 411763), (82, 381634), (83, 377036), (121, 258628), (164, 190817), (166, 188518), (209, 149732), (242, 129314), (332, 94259), (418, 74866), (451, 69388), (484, 64657), (779, 40172), (836, 37433), (902, 34694), (913, 34276), (1558, 20086), (1577, 19844), (1804, 17347), (1826, 17138), (2299, 13612), (3116, 10043), (3154, 9922), (3403, 9196), (3652, 8569), (4598, 6806), (4961, 6308)]