1388436948

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{419}}^1\times {\mathrm{1109}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 3563632800

約数和(自身を除く): 2175195852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 419, 498, 747, 838, 996, 1109, 1257, 1494, 1676, 2218, 2514, 2988, 3327, 3771, 4436, 5028, 6654, 7542, 9981, 13308, 15084, 19962, 34777, 39924, 69554, 92047, 104331, 139108, 184094, 208662, 276141, 312993, 368188, 417324, 464671, 552282, 625986, 828423, 929342, 1104564, 1251972, 1394013, 1656846, 1858684, 2788026, 3313692, 4182039, 5576052, 8364078, 16728156, 38567693, 77135386, 115703079, 154270772, 231406158, 347109237, 462812316, 694218474, 1388436948]

約数ペア:

[(1, 1388436948), (2, 694218474), (3, 462812316), (4, 347109237), (6, 231406158), (9, 154270772), (12, 115703079), (18, 77135386), (36, 38567693), (83, 16728156), (166, 8364078), (249, 5576052), (332, 4182039), (419, 3313692), (498, 2788026), (747, 1858684), (838, 1656846), (996, 1394013), (1109, 1251972), (1257, 1104564), (1494, 929342), (1676, 828423), (2218, 625986), (2514, 552282), (2988, 464671), (3327, 417324), (3771, 368188), (4436, 312993), (5028, 276141), (6654, 208662), (7542, 184094), (9981, 139108), (13308, 104331), (15084, 92047), (19962, 69554), (34777, 39924)]