81601310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 172965888

約数和(自身を除く): 91364578

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 127, 134, 137, 254, 274, 335, 469, 635, 670, 685, 889, 938, 959, 1270, 1370, 1778, 1918, 2345, 4445, 4690, 4795, 8509, 8890, 9179, 9590, 17018, 17399, 18358, 34798, 42545, 45895, 59563, 64253, 85090, 86995, 91790, 119126, 121793, 128506, 173990, 243586, 297815, 321265, 595630, 608965, 642530, 1165733, 1217930, 2331466, 5828665, 8160131, 11657330, 16320262, 40800655, 81601310]

約数ペア:

[(1, 81601310), (2, 40800655), (5, 16320262), (7, 11657330), (10, 8160131), (14, 5828665), (35, 2331466), (67, 1217930), (70, 1165733), (127, 642530), (134, 608965), (137, 595630), (254, 321265), (274, 297815), (335, 243586), (469, 173990), (635, 128506), (670, 121793), (685, 119126), (889, 91790), (938, 86995), (959, 85090), (1270, 64253), (1370, 59563), (1778, 45895), (1918, 42545), (2345, 34798), (4445, 18358), (4690, 17399), (4795, 17018), (8509, 9590), (8890, 9179)]