818993808

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{31079}}^1$

素因数の和:31157

約数の個数: 80

約数和(自身を含む): 2389430400

約数和(自身を除く): 1570436592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 732, 976, 1098, 1464, 1647, 2196, 2928, 3294, 4392, 6588, 8784, 13176, 26352, 31079, 62158, 93237, 124316, 186474, 248632, 279711, 372948, 497264, 559422, 745896, 839133, 1118844, 1491792, 1678266, 1895819, 2237688, 3356532, 3791638, 4475376, 5687457, 6713064, 7583276, 11374914, 13426128, 15166552, 17062371, 22749828, 30333104, 34124742, 45499656, 51187113, 68249484, 90999312, 102374226, 136498968, 204748452, 272997936, 409496904, 818993808]

約数ペア:

[(1, 818993808), (2, 409496904), (3, 272997936), (4, 204748452), (6, 136498968), (8, 102374226), (9, 90999312), (12, 68249484), (16, 51187113), (18, 45499656), (24, 34124742), (27, 30333104), (36, 22749828), (48, 17062371), (54, 15166552), (61, 13426128), (72, 11374914), (108, 7583276), (122, 6713064), (144, 5687457), (183, 4475376), (216, 3791638), (244, 3356532), (366, 2237688), (432, 1895819), (488, 1678266), (549, 1491792), (732, 1118844), (976, 839133), (1098, 745896), (1464, 559422), (1647, 497264), (2196, 372948), (2928, 279711), (3294, 248632), (4392, 186474), (6588, 124316), (8784, 93237), (13176, 62158), (26352, 31079)]