31888948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 72309888

約数和(自身を除く): 40420940

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 169, 182, 293, 299, 322, 338, 364, 586, 598, 644, 676, 1172, 1183, 1196, 2051, 2093, 2366, 3809, 3887, 4102, 4186, 4732, 6739, 7618, 7774, 8204, 8372, 13478, 15236, 15548, 26663, 26956, 27209, 47173, 49517, 53326, 54418, 87607, 94346, 99034, 106652, 108836, 175214, 188692, 198068, 346619, 350428, 613249, 693238, 1138891, 1226498, 1386476, 2277782, 2452996, 4555564, 7972237, 15944474, 31888948]

約数ペア:

[(1, 31888948), (2, 15944474), (4, 7972237), (7, 4555564), (13, 2452996), (14, 2277782), (23, 1386476), (26, 1226498), (28, 1138891), (46, 693238), (52, 613249), (91, 350428), (92, 346619), (161, 198068), (169, 188692), (182, 175214), (293, 108836), (299, 106652), (322, 99034), (338, 94346), (364, 87607), (586, 54418), (598, 53326), (644, 49517), (676, 47173), (1172, 27209), (1183, 26956), (1196, 26663), (2051, 15548), (2093, 15236), (2366, 13478), (3809, 8372), (3887, 8204), (4102, 7774), (4186, 7618), (4732, 6739)]