218620948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 482630400

約数和(自身を除く): 264009452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 239, 359, 364, 478, 637, 718, 956, 1274, 1436, 1673, 2513, 2548, 3107, 3346, 4667, 5026, 6214, 6692, 9334, 10052, 11711, 12428, 17591, 18668, 21749, 23422, 32669, 35182, 43498, 46844, 65338, 70364, 85801, 86996, 130676, 152243, 171602, 228683, 304486, 343204, 457366, 600607, 608972, 914732, 1115413, 1201214, 2230826, 2402428, 4204249, 4461652, 7807891, 8408498, 15615782, 16816996, 31231564, 54655237, 109310474, 218620948]

約数ペア:

[(1, 218620948), (2, 109310474), (4, 54655237), (7, 31231564), (13, 16816996), (14, 15615782), (26, 8408498), (28, 7807891), (49, 4461652), (52, 4204249), (91, 2402428), (98, 2230826), (182, 1201214), (196, 1115413), (239, 914732), (359, 608972), (364, 600607), (478, 457366), (637, 343204), (718, 304486), (956, 228683), (1274, 171602), (1436, 152243), (1673, 130676), (2513, 86996), (2548, 85801), (3107, 70364), (3346, 65338), (4667, 46844), (5026, 43498), (6214, 35182), (6692, 32669), (9334, 23422), (10052, 21749), (11711, 18668), (12428, 17591)]