638247924

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:755

約数の個数: 120

約数和(自身を含む): 1768536000

約数和(自身を除く): 1130288076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 199, 228, 324, 342, 398, 513, 521, 597, 684, 796, 1026, 1042, 1194, 1539, 1563, 1791, 2052, 2084, 2388, 3078, 3126, 3582, 3781, 4689, 5373, 6156, 6252, 7164, 7562, 9378, 9899, 10746, 11343, 14067, 15124, 16119, 18756, 19798, 21492, 22686, 28134, 29697, 32238, 34029, 39596, 42201, 45372, 56268, 59394, 64476, 68058, 84402, 89091, 102087, 103679, 118788, 136116, 168804, 178182, 204174, 207358, 267273, 306261, 311037, 356364, 408348, 414716, 534546, 612522, 622074, 801819, 933111, 1069092, 1225044, 1244148, 1603638, 1866222, 1969901, 2799333, 3207276, 3732444, 3939802, 5598666, 5909703, 7879604, 8397999, 11197332, 11819406, 16795998, 17729109, 23638812, 33591996, 35458218, 53187327, 70916436, 106374654, 159561981, 212749308, 319123962, 638247924]

約数ペア:

[(1, 638247924), (2, 319123962), (3, 212749308), (4, 159561981), (6, 106374654), (9, 70916436), (12, 53187327), (18, 35458218), (19, 33591996), (27, 23638812), (36, 17729109), (38, 16795998), (54, 11819406), (57, 11197332), (76, 8397999), (81, 7879604), (108, 5909703), (114, 5598666), (162, 3939802), (171, 3732444), (199, 3207276), (228, 2799333), (324, 1969901), (342, 1866222), (398, 1603638), (513, 1244148), (521, 1225044), (597, 1069092), (684, 933111), (796, 801819), (1026, 622074), (1042, 612522), (1194, 534546), (1539, 414716), (1563, 408348), (1791, 356364), (2052, 311037), (2084, 306261), (2388, 267273), (3078, 207358), (3126, 204174), (3582, 178182), (3781, 168804), (4689, 136116), (5373, 118788), (6156, 103679), (6252, 102087), (7164, 89091), (7562, 84402), (9378, 68058), (9899, 64476), (10746, 59394), (11343, 56268), (14067, 45372), (15124, 42201), (16119, 39596), (18756, 34029), (19798, 32238), (21492, 29697), (22686, 28134)]