1997654316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{2749}}^1$

素因数の和:3015

約数の個数: 96

約数和(自身を含む): 5484864000

約数和(自身を除く): 3487209684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 211, 246, 287, 422, 492, 574, 633, 844, 861, 1148, 1266, 1477, 1722, 2532, 2749, 2954, 3444, 4431, 5498, 5908, 8247, 8651, 8862, 10996, 16494, 17302, 17724, 19243, 25953, 32988, 34604, 38486, 51906, 57729, 60557, 76972, 103812, 112709, 115458, 121114, 181671, 225418, 230916, 242228, 338127, 363342, 450836, 580039, 676254, 726684, 788963, 1160078, 1352508, 1577926, 1740117, 2320156, 2366889, 3155852, 3480234, 4060273, 4733778, 6960468, 8120546, 9467556, 12180819, 16241092, 23781599, 24361638, 47563198, 48723276, 71344797, 95126396, 142689594, 166471193, 285379188, 332942386, 499413579, 665884772, 998827158, 1997654316]

約数ペア:

[(1, 1997654316), (2, 998827158), (3, 665884772), (4, 499413579), (6, 332942386), (7, 285379188), (12, 166471193), (14, 142689594), (21, 95126396), (28, 71344797), (41, 48723276), (42, 47563198), (82, 24361638), (84, 23781599), (123, 16241092), (164, 12180819), (211, 9467556), (246, 8120546), (287, 6960468), (422, 4733778), (492, 4060273), (574, 3480234), (633, 3155852), (844, 2366889), (861, 2320156), (1148, 1740117), (1266, 1577926), (1477, 1352508), (1722, 1160078), (2532, 788963), (2749, 726684), (2954, 676254), (3444, 580039), (4431, 450836), (5498, 363342), (5908, 338127), (8247, 242228), (8651, 230916), (8862, 225418), (10996, 181671), (16494, 121114), (17302, 115458), (17724, 112709), (19243, 103812), (25953, 76972), (32988, 60557), (34604, 57729), (38486, 51906)]