639314172

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{21319}}^1$

素因数の和:21360

約数の個数: 108

約数和(自身を含む): 1990563120

約数和(自身を除く): 1351248948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 357, 441, 476, 588, 612, 714, 833, 882, 1071, 1428, 1666, 1764, 2142, 2499, 3332, 4284, 4998, 7497, 9996, 14994, 21319, 29988, 42638, 63957, 85276, 127914, 149233, 191871, 255828, 298466, 362423, 383742, 447699, 596932, 724846, 767484, 895398, 1044631, 1087269, 1343097, 1449692, 1790796, 2089262, 2174538, 2536961, 2686194, 3133893, 3261807, 4178524, 4349076, 5073922, 5372388, 6267786, 6523614, 7610883, 9401679, 10147844, 12535572, 13047228, 15221766, 17758727, 18803358, 22832649, 30443532, 35517454, 37606716, 45665298, 53276181, 71034908, 91330596, 106552362, 159828543, 213104724, 319657086, 639314172]

約数ペア:

[(1, 639314172), (2, 319657086), (3, 213104724), (4, 159828543), (6, 106552362), (7, 91330596), (9, 71034908), (12, 53276181), (14, 45665298), (17, 37606716), (18, 35517454), (21, 30443532), (28, 22832649), (34, 18803358), (36, 17758727), (42, 15221766), (49, 13047228), (51, 12535572), (63, 10147844), (68, 9401679), (84, 7610883), (98, 6523614), (102, 6267786), (119, 5372388), (126, 5073922), (147, 4349076), (153, 4178524), (196, 3261807), (204, 3133893), (238, 2686194), (252, 2536961), (294, 2174538), (306, 2089262), (357, 1790796), (441, 1449692), (476, 1343097), (588, 1087269), (612, 1044631), (714, 895398), (833, 767484), (882, 724846), (1071, 596932), (1428, 447699), (1666, 383742), (1764, 362423), (2142, 298466), (2499, 255828), (3332, 191871), (4284, 149233), (4998, 127914), (7497, 85276), (9996, 63957), (14994, 42638), (21319, 29988)]