203901894

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 542822400

約数和(自身を除く): 338920506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 61, 63, 74, 111, 122, 126, 183, 189, 222, 239, 259, 333, 366, 378, 427, 478, 518, 549, 666, 717, 777, 854, 999, 1098, 1281, 1434, 1554, 1647, 1673, 1998, 2151, 2257, 2331, 2562, 3294, 3346, 3843, 4302, 4514, 4662, 5019, 6453, 6771, 6993, 7686, 8843, 10038, 11529, 12906, 13542, 13986, 14579, 15057, 15799, 17686, 20313, 23058, 26529, 29158, 30114, 31598, 40626, 43737, 45171, 47397, 53058, 60939, 61901, 79587, 87474, 90342, 94794, 102053, 121878, 123802, 131211, 142191, 159174, 185703, 204106, 238761, 262422, 284382, 306159, 371406, 393633, 426573, 477522, 539423, 557109, 612318, 787266, 853146, 918477, 1078846, 1114218, 1618269, 1671327, 1836954, 2755431, 3236538, 3342654, 3775961, 4854807, 5510862, 7551922, 9709614, 11327883, 14564421, 22655766, 29128842, 33983649, 67967298, 101950947, 203901894]

約数ペア:

[(1, 203901894), (2, 101950947), (3, 67967298), (6, 33983649), (7, 29128842), (9, 22655766), (14, 14564421), (18, 11327883), (21, 9709614), (27, 7551922), (37, 5510862), (42, 4854807), (54, 3775961), (61, 3342654), (63, 3236538), (74, 2755431), (111, 1836954), (122, 1671327), (126, 1618269), (183, 1114218), (189, 1078846), (222, 918477), (239, 853146), (259, 787266), (333, 612318), (366, 557109), (378, 539423), (427, 477522), (478, 426573), (518, 393633), (549, 371406), (666, 306159), (717, 284382), (777, 262422), (854, 238761), (999, 204106), (1098, 185703), (1281, 159174), (1434, 142191), (1554, 131211), (1647, 123802), (1673, 121878), (1998, 102053), (2151, 94794), (2257, 90342), (2331, 87474), (2562, 79587), (3294, 61901), (3346, 60939), (3843, 53058), (4302, 47397), (4514, 45171), (4662, 43737), (5019, 40626), (6453, 31598), (6771, 30114), (6993, 29158), (7686, 26529), (8843, 23058), (10038, 20313), (11529, 17686), (12906, 15799), (13542, 15057), (13986, 14579)]