218647548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5323}}^1$

素因数の和:5503

約数の個数: 72

約数和(自身を含む): 635643008

約数和(自身を除く): 416995460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 652, 978, 1141, 1467, 1956, 2282, 2934, 3423, 4564, 5323, 5868, 6846, 10269, 10646, 13692, 15969, 20538, 21292, 31938, 37261, 41076, 47907, 63876, 74522, 95814, 111783, 149044, 191628, 223566, 335349, 447132, 670698, 867649, 1341396, 1735298, 2602947, 3470596, 5205894, 6073543, 7808841, 10411788, 12147086, 15617682, 18220629, 24294172, 31235364, 36441258, 54661887, 72882516, 109323774, 218647548]

約数ペア:

[(1, 218647548), (2, 109323774), (3, 72882516), (4, 54661887), (6, 36441258), (7, 31235364), (9, 24294172), (12, 18220629), (14, 15617682), (18, 12147086), (21, 10411788), (28, 7808841), (36, 6073543), (42, 5205894), (63, 3470596), (84, 2602947), (126, 1735298), (163, 1341396), (252, 867649), (326, 670698), (489, 447132), (652, 335349), (978, 223566), (1141, 191628), (1467, 149044), (1956, 111783), (2282, 95814), (2934, 74522), (3423, 63876), (4564, 47907), (5323, 41076), (5868, 37261), (6846, 31938), (10269, 21292), (10646, 20538), (13692, 15969)]