1664365724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{51287}}^1$

素因数の和:51378

約数の個数: 48

約数和(自身を含む): 3561438720

約数和(自身を除く): 1897072996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 244, 266, 427, 532, 854, 1159, 1708, 2318, 4636, 8113, 16226, 32452, 51287, 102574, 205148, 359009, 718018, 974453, 1436036, 1948906, 3128507, 3897812, 6257014, 6821171, 12514028, 13642342, 21899549, 27284684, 43799098, 59441633, 87598196, 118883266, 237766532, 416091431, 832182862, 1664365724]

約数ペア:

[(1, 1664365724), (2, 832182862), (4, 416091431), (7, 237766532), (14, 118883266), (19, 87598196), (28, 59441633), (38, 43799098), (61, 27284684), (76, 21899549), (122, 13642342), (133, 12514028), (244, 6821171), (266, 6257014), (427, 3897812), (532, 3128507), (854, 1948906), (1159, 1436036), (1708, 974453), (2318, 718018), (4636, 359009), (8113, 205148), (16226, 102574), (32452, 51287)]