281409128

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35141}}^1$

素因数の和:35178

約数の個数: 64

約数和(自身を含む): 708462720

約数和(自身を除く): 427053592

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 35141, 70282, 140564, 245987, 281128, 386551, 456833, 491974, 773102, 913666, 983948, 1546204, 1827332, 1967896, 2705857, 3092408, 3197831, 3654664, 5025163, 5411714, 6395662, 10050326, 10823428, 12791324, 20100652, 21646856, 25582648, 35176141, 40201304, 70352282, 140704564, 281409128]

約数ペア:

[(1, 281409128), (2, 140704564), (4, 70352282), (7, 40201304), (8, 35176141), (11, 25582648), (13, 21646856), (14, 20100652), (22, 12791324), (26, 10823428), (28, 10050326), (44, 6395662), (52, 5411714), (56, 5025163), (77, 3654664), (88, 3197831), (91, 3092408), (104, 2705857), (143, 1967896), (154, 1827332), (182, 1546204), (286, 983948), (308, 913666), (364, 773102), (572, 491974), (616, 456833), (728, 386551), (1001, 281128), (1144, 245987), (2002, 140564), (4004, 70282), (8008, 35141)]