399551438

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1553

約数の個数: 48

約数和(自身を含む): 717912720

約数和(自身を除く): 318361282

約数列:

[1, 2, 11, 13, 22, 26, 89, 121, 143, 178, 242, 286, 979, 1157, 1427, 1573, 1958, 2314, 2854, 3146, 10769, 12727, 15697, 18551, 21538, 25454, 31394, 37102, 127003, 139997, 172667, 204061, 254006, 279994, 345334, 408122, 1397033, 1651039, 2244671, 2794066, 3302078, 4489342, 15367363, 18161429, 30734726, 36322858, 199775719, 399551438]

約数ペア:

[(1, 399551438), (2, 199775719), (11, 36322858), (13, 30734726), (22, 18161429), (26, 15367363), (89, 4489342), (121, 3302078), (143, 2794066), (178, 2244671), (242, 1651039), (286, 1397033), (979, 408122), (1157, 345334), (1427, 279994), (1573, 254006), (1958, 204061), (2314, 172667), (2854, 139997), (3146, 127003), (10769, 37102), (12727, 31394), (15697, 25454), (18551, 21538)]