31903508

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 73735200

約数和(自身を除く): 41831692

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 659, 931, 988, 1274, 1318, 1729, 1862, 2548, 2636, 3458, 3724, 4613, 6916, 8567, 9226, 12103, 12521, 17134, 18452, 24206, 25042, 32291, 34268, 48412, 50084, 59969, 64582, 87647, 119938, 129164, 162773, 175294, 239876, 325546, 350588, 419783, 613529, 651092, 839566, 1139411, 1227058, 1679132, 2278822, 2454116, 4557644, 7975877, 15951754, 31903508]

約数ペア:

[(1, 31903508), (2, 15951754), (4, 7975877), (7, 4557644), (13, 2454116), (14, 2278822), (19, 1679132), (26, 1227058), (28, 1139411), (38, 839566), (49, 651092), (52, 613529), (76, 419783), (91, 350588), (98, 325546), (133, 239876), (182, 175294), (196, 162773), (247, 129164), (266, 119938), (364, 87647), (494, 64582), (532, 59969), (637, 50084), (659, 48412), (931, 34268), (988, 32291), (1274, 25042), (1318, 24206), (1729, 18452), (1862, 17134), (2548, 12521), (2636, 12103), (3458, 9226), (3724, 8567), (4613, 6916)]