668879932

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 1446359040

約数和(自身を除く): 777479108

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 59, 62, 74, 118, 124, 148, 217, 236, 259, 353, 413, 434, 518, 706, 826, 868, 1036, 1147, 1412, 1652, 1829, 2183, 2294, 2471, 3658, 4366, 4588, 4942, 7316, 8029, 8732, 9884, 10943, 12803, 13061, 15281, 16058, 20827, 21886, 25606, 26122, 30562, 32116, 41654, 43772, 51212, 52244, 61124, 67673, 76601, 83308, 91427, 135346, 145789, 153202, 182854, 270692, 291578, 306404, 365708, 404891, 473711, 583156, 645637, 770599, 809782, 947422, 1291274, 1541198, 1619564, 1894844, 2582548, 2834237, 3082396, 4519459, 5394193, 5668474, 9038918, 10788386, 11336948, 18077836, 21576772, 23888569, 47777138, 95554276, 167219983, 334439966, 668879932]

約数ペア:

[(1, 668879932), (2, 334439966), (4, 167219983), (7, 95554276), (14, 47777138), (28, 23888569), (31, 21576772), (37, 18077836), (59, 11336948), (62, 10788386), (74, 9038918), (118, 5668474), (124, 5394193), (148, 4519459), (217, 3082396), (236, 2834237), (259, 2582548), (353, 1894844), (413, 1619564), (434, 1541198), (518, 1291274), (706, 947422), (826, 809782), (868, 770599), (1036, 645637), (1147, 583156), (1412, 473711), (1652, 404891), (1829, 365708), (2183, 306404), (2294, 291578), (2471, 270692), (3658, 182854), (4366, 153202), (4588, 145789), (4942, 135346), (7316, 91427), (8029, 83308), (8732, 76601), (9884, 67673), (10943, 61124), (12803, 52244), (13061, 51212), (15281, 43772), (16058, 41654), (20827, 32116), (21886, 30562), (25606, 26122)]