128620884

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{31249}}^1$

素因数の和:31277

約数の個数: 48

約数和(自身を含む): 350000000

約数和(自身を除く): 221379116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 31249, 62498, 93747, 124996, 187494, 218743, 374988, 437486, 656229, 874972, 1312458, 1531201, 2624916, 3062402, 4593603, 6124804, 9187206, 10718407, 18374412, 21436814, 32155221, 42873628, 64310442, 128620884]

約数ペア:

[(1, 128620884), (2, 64310442), (3, 42873628), (4, 32155221), (6, 21436814), (7, 18374412), (12, 10718407), (14, 9187206), (21, 6124804), (28, 4593603), (42, 3062402), (49, 2624916), (84, 1531201), (98, 1312458), (147, 874972), (196, 656229), (294, 437486), (343, 374988), (588, 218743), (686, 187494), (1029, 124996), (1372, 93747), (2058, 62498), (4116, 31249)]