77847784

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 171561600

約数和(自身を除く): 93713816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 137, 139, 146, 274, 278, 292, 511, 548, 556, 584, 959, 973, 1022, 1096, 1112, 1918, 1946, 2044, 3836, 3892, 4088, 7672, 7784, 10001, 10147, 19043, 20002, 20294, 38086, 40004, 40588, 70007, 71029, 76172, 80008, 81176, 133301, 140014, 142058, 152344, 266602, 280028, 284116, 533204, 560056, 568232, 1066408, 1390139, 2780278, 5560556, 9730973, 11121112, 19461946, 38923892, 77847784]

約数ペア:

[(1, 77847784), (2, 38923892), (4, 19461946), (7, 11121112), (8, 9730973), (14, 5560556), (28, 2780278), (56, 1390139), (73, 1066408), (137, 568232), (139, 560056), (146, 533204), (274, 284116), (278, 280028), (292, 266602), (511, 152344), (548, 142058), (556, 140014), (584, 133301), (959, 81176), (973, 80008), (1022, 76172), (1096, 71029), (1112, 70007), (1918, 40588), (1946, 40004), (2044, 38086), (3836, 20294), (3892, 20002), (4088, 19043), (7672, 10147), (7784, 10001)]