7640204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 17026128

約数和(自身を除く): 9385924

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 37, 38, 44, 52, 74, 76, 143, 148, 209, 247, 286, 361, 407, 418, 481, 494, 572, 703, 722, 814, 836, 962, 988, 1406, 1444, 1628, 1924, 2717, 2812, 3971, 4693, 5291, 5434, 7733, 7942, 9139, 9386, 10582, 10868, 13357, 15466, 15884, 18278, 18772, 21164, 26714, 30932, 36556, 51623, 53428, 100529, 103246, 146927, 173641, 201058, 206492, 293854, 347282, 402116, 587708, 694564, 1910051, 3820102, 7640204]

約数ペア:

[(1, 7640204), (2, 3820102), (4, 1910051), (11, 694564), (13, 587708), (19, 402116), (22, 347282), (26, 293854), (37, 206492), (38, 201058), (44, 173641), (52, 146927), (74, 103246), (76, 100529), (143, 53428), (148, 51623), (209, 36556), (247, 30932), (286, 26714), (361, 21164), (407, 18772), (418, 18278), (481, 15884), (494, 15466), (572, 13357), (703, 10868), (722, 10582), (814, 9386), (836, 9139), (962, 7942), (988, 7733), (1406, 5434), (1444, 5291), (1628, 4693), (1924, 3971), (2717, 2812)]