406779672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 1167989760

約数和(自身を除く): 761210088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 271, 283, 312, 408, 442, 542, 566, 663, 813, 849, 884, 1084, 1132, 1326, 1626, 1698, 1768, 2168, 2264, 2652, 3252, 3396, 3523, 3679, 4607, 4811, 5304, 6504, 6792, 7046, 7358, 9214, 9622, 10569, 11037, 13821, 14092, 14433, 14716, 18428, 19244, 21138, 22074, 27642, 28184, 28866, 29432, 36856, 38488, 42276, 44148, 55284, 57732, 59891, 62543, 76693, 84552, 88296, 110568, 115464, 119782, 125086, 153386, 179673, 187629, 230079, 239564, 250172, 306772, 359346, 375258, 460158, 479128, 500344, 613544, 718692, 750516, 920316, 997009, 1303781, 1437384, 1501032, 1840632, 1994018, 2607562, 2991027, 3911343, 3988036, 5215124, 5982054, 7822686, 7976072, 10430248, 11964108, 15645372, 16949153, 23928216, 31290744, 33898306, 50847459, 67796612, 101694918, 135593224, 203389836, 406779672]

約数ペア:

[(1, 406779672), (2, 203389836), (3, 135593224), (4, 101694918), (6, 67796612), (8, 50847459), (12, 33898306), (13, 31290744), (17, 23928216), (24, 16949153), (26, 15645372), (34, 11964108), (39, 10430248), (51, 7976072), (52, 7822686), (68, 5982054), (78, 5215124), (102, 3988036), (104, 3911343), (136, 2991027), (156, 2607562), (204, 1994018), (221, 1840632), (271, 1501032), (283, 1437384), (312, 1303781), (408, 997009), (442, 920316), (542, 750516), (566, 718692), (663, 613544), (813, 500344), (849, 479128), (884, 460158), (1084, 375258), (1132, 359346), (1326, 306772), (1626, 250172), (1698, 239564), (1768, 230079), (2168, 187629), (2264, 179673), (2652, 153386), (3252, 125086), (3396, 119782), (3523, 115464), (3679, 110568), (4607, 88296), (4811, 84552), (5304, 76693), (6504, 62543), (6792, 59891), (7046, 57732), (7358, 55284), (9214, 44148), (9622, 42276), (10569, 38488), (11037, 36856), (13821, 29432), (14092, 28866), (14433, 28184), (14716, 27642), (18428, 22074), (19244, 21138)]