31820778948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{242677}}^1$

素因数の和:242921

約数の個数: 72

約数和(自身を含む): 86758355712

約数和(自身を除く): 54937576764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 223, 294, 446, 588, 669, 892, 1338, 1561, 2676, 3122, 4683, 6244, 9366, 10927, 18732, 21854, 32781, 43708, 65562, 131124, 242677, 485354, 728031, 970708, 1456062, 1698739, 2912124, 3397478, 5096217, 6794956, 10192434, 11891173, 20384868, 23782346, 35673519, 47564692, 54116971, 71347038, 108233942, 142694076, 162350913, 216467884, 324701826, 378818797, 649403652, 757637594, 1136456391, 1515275188, 2272912782, 2651731579, 4545825564, 5303463158, 7955194737, 10606926316, 15910389474, 31820778948]

約数ペア:

[(1, 31820778948), (2, 15910389474), (3, 10606926316), (4, 7955194737), (6, 5303463158), (7, 4545825564), (12, 2651731579), (14, 2272912782), (21, 1515275188), (28, 1136456391), (42, 757637594), (49, 649403652), (84, 378818797), (98, 324701826), (147, 216467884), (196, 162350913), (223, 142694076), (294, 108233942), (446, 71347038), (588, 54116971), (669, 47564692), (892, 35673519), (1338, 23782346), (1561, 20384868), (2676, 11891173), (3122, 10192434), (4683, 6794956), (6244, 5096217), (9366, 3397478), (10927, 2912124), (18732, 1698739), (21854, 1456062), (32781, 970708), (43708, 728031), (65562, 485354), (131124, 242677)]