205428678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:1002

約数の個数: 96

約数和(自身を含む): 523998720

約数和(自身を除く): 318570042

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 59, 78, 91, 98, 118, 147, 177, 182, 273, 294, 354, 413, 546, 637, 767, 826, 911, 1239, 1274, 1534, 1822, 1911, 2301, 2478, 2733, 2891, 3822, 4602, 5369, 5466, 5782, 6377, 8673, 10738, 11843, 12754, 16107, 17346, 19131, 23686, 32214, 35529, 37583, 38262, 44639, 53749, 71058, 75166, 82901, 89278, 107498, 112749, 133917, 161247, 165802, 225498, 248703, 267834, 322494, 376243, 497406, 580307, 698737, 752486, 1128729, 1160614, 1397474, 1740921, 2096211, 2257458, 2633701, 3481842, 4192422, 4891159, 5267402, 7901103, 9782318, 14673477, 15802206, 29346954, 34238113, 68476226, 102714339, 205428678]

約数ペア:

[(1, 205428678), (2, 102714339), (3, 68476226), (6, 34238113), (7, 29346954), (13, 15802206), (14, 14673477), (21, 9782318), (26, 7901103), (39, 5267402), (42, 4891159), (49, 4192422), (59, 3481842), (78, 2633701), (91, 2257458), (98, 2096211), (118, 1740921), (147, 1397474), (177, 1160614), (182, 1128729), (273, 752486), (294, 698737), (354, 580307), (413, 497406), (546, 376243), (637, 322494), (767, 267834), (826, 248703), (911, 225498), (1239, 165802), (1274, 161247), (1534, 133917), (1822, 112749), (1911, 107498), (2301, 89278), (2478, 82901), (2733, 75166), (2891, 71058), (3822, 53749), (4602, 44639), (5369, 38262), (5466, 37583), (5782, 35529), (6377, 32214), (8673, 23686), (10738, 19131), (11843, 17346), (12754, 16107)]