72100028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1683

約数の個数: 72

約数和(自身を含む): 170797536

約数和(自身を除く): 98697508

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 484, 572, 847, 1001, 1573, 1637, 1694, 2002, 3146, 3274, 3388, 4004, 6292, 6548, 11011, 11459, 18007, 21281, 22022, 22918, 36014, 42562, 44044, 45836, 72028, 85124, 126049, 148967, 198077, 234091, 252098, 297934, 396154, 468182, 504196, 595868, 792308, 936364, 1386539, 1638637, 2575001, 2773078, 3277274, 5150002, 5546156, 6554548, 10300004, 18025007, 36050014, 72100028]

約数ペア:

[(1, 72100028), (2, 36050014), (4, 18025007), (7, 10300004), (11, 6554548), (13, 5546156), (14, 5150002), (22, 3277274), (26, 2773078), (28, 2575001), (44, 1638637), (52, 1386539), (77, 936364), (91, 792308), (121, 595868), (143, 504196), (154, 468182), (182, 396154), (242, 297934), (286, 252098), (308, 234091), (364, 198077), (484, 148967), (572, 126049), (847, 85124), (1001, 72028), (1573, 45836), (1637, 44044), (1694, 42562), (2002, 36014), (3146, 22918), (3274, 22022), (3388, 21281), (4004, 18007), (6292, 11459), (6548, 11011)]