221996448

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 144

約数和(自身を含む): 658790496

約数和(自身を除く): 436794048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 83, 96, 111, 144, 148, 166, 222, 249, 251, 288, 296, 332, 333, 444, 498, 502, 592, 664, 666, 747, 753, 888, 996, 1004, 1184, 1328, 1332, 1494, 1506, 1776, 1992, 2008, 2259, 2656, 2664, 2988, 3012, 3071, 3552, 3984, 4016, 4518, 5328, 5976, 6024, 6142, 7968, 8032, 9036, 9213, 9287, 10656, 11952, 12048, 12284, 18072, 18426, 18574, 20833, 23904, 24096, 24568, 27639, 27861, 36144, 36852, 37148, 41666, 49136, 55278, 55722, 62499, 72288, 73704, 74296, 83332, 83583, 98272, 110556, 111444, 124998, 147408, 148592, 166664, 167166, 187497, 221112, 222888, 249996, 294816, 297184, 333328, 334332, 374994, 442224, 445776, 499992, 666656, 668664, 749988, 770821, 884448, 891552, 999984, 1337328, 1499976, 1541642, 1999968, 2312463, 2674656, 2999952, 3083284, 4624926, 5999904, 6166568, 6937389, 9249852, 12333136, 13874778, 18499704, 24666272, 27749556, 36999408, 55499112, 73998816, 110998224, 221996448]

約数ペア:

[(1, 221996448), (2, 110998224), (3, 73998816), (4, 55499112), (6, 36999408), (8, 27749556), (9, 24666272), (12, 18499704), (16, 13874778), (18, 12333136), (24, 9249852), (32, 6937389), (36, 6166568), (37, 5999904), (48, 4624926), (72, 3083284), (74, 2999952), (83, 2674656), (96, 2312463), (111, 1999968), (144, 1541642), (148, 1499976), (166, 1337328), (222, 999984), (249, 891552), (251, 884448), (288, 770821), (296, 749988), (332, 668664), (333, 666656), (444, 499992), (498, 445776), (502, 442224), (592, 374994), (664, 334332), (666, 333328), (747, 297184), (753, 294816), (888, 249996), (996, 222888), (1004, 221112), (1184, 187497), (1328, 167166), (1332, 166664), (1494, 148592), (1506, 147408), (1776, 124998), (1992, 111444), (2008, 110556), (2259, 98272), (2656, 83583), (2664, 83332), (2988, 74296), (3012, 73704), (3071, 72288), (3552, 62499), (3984, 55722), (4016, 55278), (4518, 49136), (5328, 41666), (5976, 37148), (6024, 36852), (6142, 36144), (7968, 27861), (8032, 27639), (9036, 24568), (9213, 24096), (9287, 23904), (10656, 20833), (11952, 18574), (12048, 18426), (12284, 18072)]