206985688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 499968000

約数和(自身を除く): 292982312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 61, 79, 91, 104, 118, 122, 158, 182, 236, 244, 316, 364, 413, 427, 472, 488, 553, 632, 728, 767, 793, 826, 854, 1027, 1106, 1534, 1586, 1652, 1708, 2054, 2212, 3068, 3172, 3304, 3416, 3599, 4108, 4424, 4661, 4819, 5369, 5551, 6136, 6344, 7189, 7198, 8216, 9322, 9638, 10738, 11102, 14378, 14396, 18644, 19276, 21476, 22204, 25193, 28756, 28792, 32627, 33733, 37288, 38552, 42952, 44408, 46787, 50386, 57512, 60593, 62647, 65254, 67466, 93574, 100772, 121186, 125294, 130508, 134932, 187148, 201544, 242372, 250588, 261016, 269864, 284321, 327509, 374296, 424151, 438529, 484744, 501176, 568642, 655018, 848302, 877058, 1137284, 1310036, 1696604, 1754116, 1990247, 2274568, 2620072, 3393208, 3508232, 3696173, 3980494, 7392346, 7960988, 14784692, 15921976, 25873211, 29569384, 51746422, 103492844, 206985688]

約数ペア:

[(1, 206985688), (2, 103492844), (4, 51746422), (7, 29569384), (8, 25873211), (13, 15921976), (14, 14784692), (26, 7960988), (28, 7392346), (52, 3980494), (56, 3696173), (59, 3508232), (61, 3393208), (79, 2620072), (91, 2274568), (104, 1990247), (118, 1754116), (122, 1696604), (158, 1310036), (182, 1137284), (236, 877058), (244, 848302), (316, 655018), (364, 568642), (413, 501176), (427, 484744), (472, 438529), (488, 424151), (553, 374296), (632, 327509), (728, 284321), (767, 269864), (793, 261016), (826, 250588), (854, 242372), (1027, 201544), (1106, 187148), (1534, 134932), (1586, 130508), (1652, 125294), (1708, 121186), (2054, 100772), (2212, 93574), (3068, 67466), (3172, 65254), (3304, 62647), (3416, 60593), (3599, 57512), (4108, 50386), (4424, 46787), (4661, 44408), (4819, 42952), (5369, 38552), (5551, 37288), (6136, 33733), (6344, 32627), (7189, 28792), (7198, 28756), (8216, 25193), (9322, 22204), (9638, 21476), (10738, 19276), (11102, 18644), (14378, 14396)]