31821987472

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{12239}}^1$

素因数の和:12365

約数の個数: 120

約数和(自身を含む): 72670348800

約数和(自身を除く): 40848361328

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 79, 88, 121, 136, 158, 176, 187, 242, 272, 316, 374, 484, 632, 748, 869, 968, 1264, 1343, 1496, 1738, 1936, 2057, 2686, 2992, 3476, 4114, 5372, 6952, 8228, 9559, 10744, 12239, 13904, 14773, 16456, 19118, 21488, 24478, 29546, 32912, 38236, 48956, 59092, 76472, 97912, 118184, 134629, 152944, 162503, 195824, 208063, 236368, 269258, 325006, 416126, 538516, 650012, 832252, 966881, 1077032, 1300024, 1480919, 1664504, 1933762, 2154064, 2288693, 2600048, 2961838, 3329008, 3867524, 4577386, 5923676, 7735048, 9154772, 10635691, 11847352, 15470096, 16436977, 18309544, 21271382, 23694704, 25175623, 32873954, 36619088, 42542764, 50351246, 65747908, 85085528, 100702492, 116992601, 131495816, 170171056, 180806747, 201404984, 233985202, 262991632, 361613494, 402809968, 467970404, 723226988, 935940808, 1446453976, 1871881616, 1988874217, 2892907952, 3977748434, 7955496868, 15910993736, 31821987472]

約数ペア:

[(1, 31821987472), (2, 15910993736), (4, 7955496868), (8, 3977748434), (11, 2892907952), (16, 1988874217), (17, 1871881616), (22, 1446453976), (34, 935940808), (44, 723226988), (68, 467970404), (79, 402809968), (88, 361613494), (121, 262991632), (136, 233985202), (158, 201404984), (176, 180806747), (187, 170171056), (242, 131495816), (272, 116992601), (316, 100702492), (374, 85085528), (484, 65747908), (632, 50351246), (748, 42542764), (869, 36619088), (968, 32873954), (1264, 25175623), (1343, 23694704), (1496, 21271382), (1738, 18309544), (1936, 16436977), (2057, 15470096), (2686, 11847352), (2992, 10635691), (3476, 9154772), (4114, 7735048), (5372, 5923676), (6952, 4577386), (8228, 3867524), (9559, 3329008), (10744, 2961838), (12239, 2600048), (13904, 2288693), (14773, 2154064), (16456, 1933762), (19118, 1664504), (21488, 1480919), (24478, 1300024), (29546, 1077032), (32912, 966881), (38236, 832252), (48956, 650012), (59092, 538516), (76472, 416126), (97912, 325006), (118184, 269258), (134629, 236368), (152944, 208063), (162503, 195824)]