645344752

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 1458187920

約数和(自身を除く): 812843168

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 101, 104, 136, 139, 169, 202, 208, 221, 272, 278, 338, 404, 442, 556, 676, 808, 884, 1112, 1313, 1352, 1616, 1717, 1768, 1807, 2224, 2363, 2626, 2704, 2873, 3434, 3536, 3614, 4726, 5252, 5746, 6868, 7228, 9452, 10504, 11492, 13736, 14039, 14456, 17069, 18904, 21008, 22321, 22984, 23491, 27472, 28078, 28912, 30719, 34138, 37808, 44642, 45968, 46982, 56156, 61438, 68276, 89284, 93964, 112312, 122876, 136552, 178568, 182507, 187928, 224624, 238663, 245752, 273104, 290173, 357136, 365014, 375856, 399347, 477326, 491504, 580346, 730028, 798694, 954652, 1160692, 1460056, 1597388, 1909304, 2321384, 2372591, 2920112, 3102619, 3194776, 3818608, 4642768, 4745182, 6205238, 6389552, 9490364, 12410476, 18980728, 24820952, 37961456, 40334047, 49641904, 80668094, 161336188, 322672376, 645344752]

約数ペア:

[(1, 645344752), (2, 322672376), (4, 161336188), (8, 80668094), (13, 49641904), (16, 40334047), (17, 37961456), (26, 24820952), (34, 18980728), (52, 12410476), (68, 9490364), (101, 6389552), (104, 6205238), (136, 4745182), (139, 4642768), (169, 3818608), (202, 3194776), (208, 3102619), (221, 2920112), (272, 2372591), (278, 2321384), (338, 1909304), (404, 1597388), (442, 1460056), (556, 1160692), (676, 954652), (808, 798694), (884, 730028), (1112, 580346), (1313, 491504), (1352, 477326), (1616, 399347), (1717, 375856), (1768, 365014), (1807, 357136), (2224, 290173), (2363, 273104), (2626, 245752), (2704, 238663), (2873, 224624), (3434, 187928), (3536, 182507), (3614, 178568), (4726, 136552), (5252, 122876), (5746, 112312), (6868, 93964), (7228, 89284), (9452, 68276), (10504, 61438), (11492, 56156), (13736, 46982), (14039, 45968), (14456, 44642), (17069, 37808), (18904, 34138), (21008, 30719), (22321, 28912), (22984, 28078), (23491, 27472)]