1640667028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4057}}^1$

素因数の和:4193

約数の個数: 96

約数和(自身を含む): 3894121728

約数和(自身を除く): 2253454700

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 101, 143, 154, 182, 202, 286, 308, 364, 404, 572, 707, 1001, 1111, 1313, 1414, 2002, 2222, 2626, 2828, 4004, 4057, 4444, 5252, 7777, 8114, 9191, 14443, 15554, 16228, 18382, 28399, 28886, 31108, 36764, 44627, 52741, 56798, 57772, 89254, 101101, 105482, 113596, 178508, 202202, 210964, 312389, 369187, 404404, 409757, 580151, 624778, 738374, 819514, 1160302, 1249556, 1476748, 1639028, 2320604, 2868299, 4061057, 4507327, 5326841, 5736598, 8122114, 9014654, 10653682, 11473196, 16244228, 18029308, 21307364, 31551289, 37287887, 58595251, 63102578, 74575774, 117190502, 126205156, 149151548, 234381004, 410166757, 820333514, 1640667028]

約数ペア:

[(1, 1640667028), (2, 820333514), (4, 410166757), (7, 234381004), (11, 149151548), (13, 126205156), (14, 117190502), (22, 74575774), (26, 63102578), (28, 58595251), (44, 37287887), (52, 31551289), (77, 21307364), (91, 18029308), (101, 16244228), (143, 11473196), (154, 10653682), (182, 9014654), (202, 8122114), (286, 5736598), (308, 5326841), (364, 4507327), (404, 4061057), (572, 2868299), (707, 2320604), (1001, 1639028), (1111, 1476748), (1313, 1249556), (1414, 1160302), (2002, 819514), (2222, 738374), (2626, 624778), (2828, 580151), (4004, 409757), (4057, 404404), (4444, 369187), (5252, 312389), (7777, 210964), (8114, 202202), (9191, 178508), (14443, 113596), (15554, 105482), (16228, 101101), (18382, 89254), (28399, 57772), (28886, 56798), (31108, 52741), (36764, 44627)]