31876390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 73737216

約数和(自身を除く): 41860826

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1495, 1523, 1610, 2093, 2990, 3046, 4186, 7615, 10465, 10661, 15230, 19799, 20930, 21322, 35029, 39598, 53305, 70058, 98995, 106610, 138593, 175145, 197990, 245203, 277186, 350290, 455377, 490406, 692965, 910754, 1226015, 1385930, 2276885, 2452030, 3187639, 4553770, 6375278, 15938195, 31876390]

約数ペア:

[(1, 31876390), (2, 15938195), (5, 6375278), (7, 4553770), (10, 3187639), (13, 2452030), (14, 2276885), (23, 1385930), (26, 1226015), (35, 910754), (46, 692965), (65, 490406), (70, 455377), (91, 350290), (115, 277186), (130, 245203), (161, 197990), (182, 175145), (230, 138593), (299, 106610), (322, 98995), (455, 70058), (598, 53305), (805, 39598), (910, 35029), (1495, 21322), (1523, 20930), (1610, 19799), (2093, 15230), (2990, 10661), (3046, 10465), (4186, 7615)]