28100618

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 27540982

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 137, 161, 182, 274, 299, 322, 343, 598, 637, 686, 959, 1127, 1274, 1781, 1918, 2093, 2254, 3151, 3562, 4186, 4459, 6302, 6713, 7889, 8918, 12467, 13426, 14651, 15778, 22057, 24934, 29302, 40963, 44114, 46991, 81926, 87269, 93982, 102557, 154399, 174538, 205114, 286741, 308798, 573482, 610883, 1080793, 1221766, 2007187, 2161586, 4014374, 14050309, 28100618]

約数ペア:

[(1, 28100618), (2, 14050309), (7, 4014374), (13, 2161586), (14, 2007187), (23, 1221766), (26, 1080793), (46, 610883), (49, 573482), (91, 308798), (98, 286741), (137, 205114), (161, 174538), (182, 154399), (274, 102557), (299, 93982), (322, 87269), (343, 81926), (598, 46991), (637, 44114), (686, 40963), (959, 29302), (1127, 24934), (1274, 22057), (1781, 15778), (1918, 14651), (2093, 13426), (2254, 12467), (3151, 8918), (3562, 7889), (4186, 6713), (4459, 6302)]