181575688

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 397267200

約数和(自身を除く): 215691512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 151, 197, 218, 302, 394, 436, 604, 763, 788, 872, 1057, 1208, 1379, 1526, 1576, 2114, 2758, 3052, 4228, 5516, 6104, 8456, 11032, 16459, 21473, 29747, 32918, 42946, 59494, 65836, 85892, 115213, 118988, 131672, 150311, 171784, 208229, 230426, 237976, 300622, 416458, 460852, 601244, 832916, 921704, 1202488, 1665832, 3242423, 6484846, 12969692, 22696961, 25939384, 45393922, 90787844, 181575688]

約数ペア:

[(1, 181575688), (2, 90787844), (4, 45393922), (7, 25939384), (8, 22696961), (14, 12969692), (28, 6484846), (56, 3242423), (109, 1665832), (151, 1202488), (197, 921704), (218, 832916), (302, 601244), (394, 460852), (436, 416458), (604, 300622), (763, 237976), (788, 230426), (872, 208229), (1057, 171784), (1208, 150311), (1379, 131672), (1526, 118988), (1576, 115213), (2114, 85892), (2758, 65836), (3052, 59494), (4228, 42946), (5516, 32918), (6104, 29747), (8456, 21473), (11032, 16459)]