28479390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 71442432

約数和(自身を除く): 42963042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 113, 155, 186, 226, 271, 310, 339, 465, 542, 565, 678, 813, 930, 1130, 1355, 1626, 1695, 2710, 3390, 3503, 4065, 7006, 8130, 8401, 10509, 16802, 17515, 21018, 25203, 30623, 35030, 42005, 50406, 52545, 61246, 84010, 91869, 105090, 126015, 153115, 183738, 252030, 306230, 459345, 918690, 949313, 1898626, 2847939, 4746565, 5695878, 9493130, 14239695, 28479390]

約数ペア:

[(1, 28479390), (2, 14239695), (3, 9493130), (5, 5695878), (6, 4746565), (10, 2847939), (15, 1898626), (30, 949313), (31, 918690), (62, 459345), (93, 306230), (113, 252030), (155, 183738), (186, 153115), (226, 126015), (271, 105090), (310, 91869), (339, 84010), (465, 61246), (542, 52545), (565, 50406), (678, 42005), (813, 35030), (930, 30623), (1130, 25203), (1355, 21018), (1626, 17515), (1695, 16802), (2710, 10509), (3390, 8401), (3503, 8130), (4065, 7006)]