291287988

素因数分解:

$2^2\times 3^6\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:736

約数の個数: 84

約数和(自身を含む): 769751808

約数和(自身を除く): 478463820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 191, 243, 324, 382, 486, 523, 573, 729, 764, 972, 1046, 1146, 1458, 1569, 1719, 2092, 2292, 2916, 3138, 3438, 4707, 5157, 6276, 6876, 9414, 10314, 14121, 15471, 18828, 20628, 28242, 30942, 42363, 46413, 56484, 61884, 84726, 92826, 99893, 127089, 139239, 169452, 185652, 199786, 254178, 278478, 299679, 381267, 399572, 508356, 556956, 599358, 762534, 899037, 1198716, 1525068, 1798074, 2697111, 3596148, 5394222, 8091333, 10788444, 16182666, 24273999, 32365332, 48547998, 72821997, 97095996, 145643994, 291287988]

約数ペア:

[(1, 291287988), (2, 145643994), (3, 97095996), (4, 72821997), (6, 48547998), (9, 32365332), (12, 24273999), (18, 16182666), (27, 10788444), (36, 8091333), (54, 5394222), (81, 3596148), (108, 2697111), (162, 1798074), (191, 1525068), (243, 1198716), (324, 899037), (382, 762534), (486, 599358), (523, 556956), (573, 508356), (729, 399572), (764, 381267), (972, 299679), (1046, 278478), (1146, 254178), (1458, 199786), (1569, 185652), (1719, 169452), (2092, 139239), (2292, 127089), (2916, 99893), (3138, 92826), (3438, 84726), (4707, 61884), (5157, 56484), (6276, 46413), (6876, 42363), (9414, 30942), (10314, 28242), (14121, 20628), (15471, 18828)]