28378168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2293}}^1$

素因数の和:2336

約数の個数: 64

約数和(自身を含む): 69370560

約数和(自身を除く): 40992392

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 2293, 3094, 4586, 6188, 9172, 12376, 16051, 18344, 29809, 32102, 38981, 59618, 64204, 77962, 119236, 128408, 155924, 208663, 238472, 272867, 311848, 417326, 506753, 545734, 834652, 1013506, 1091468, 1669304, 2027012, 2182936, 3547271, 4054024, 7094542, 14189084, 28378168]

約数ペア:

[(1, 28378168), (2, 14189084), (4, 7094542), (7, 4054024), (8, 3547271), (13, 2182936), (14, 2027012), (17, 1669304), (26, 1091468), (28, 1013506), (34, 834652), (52, 545734), (56, 506753), (68, 417326), (91, 311848), (104, 272867), (119, 238472), (136, 208663), (182, 155924), (221, 128408), (238, 119236), (364, 77962), (442, 64204), (476, 59618), (728, 38981), (884, 32102), (952, 29809), (1547, 18344), (1768, 16051), (2293, 12376), (3094, 9172), (4586, 6188)]