221477112

素因数分解:

$2^3\times 3^3\times {\mathrm{401}}^1\times {\mathrm{2557}}^1$

素因数の和:2973

約数の個数: 64

約数和(自身を含む): 616989600

約数和(自身を除く): 395512488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 401, 802, 1203, 1604, 2406, 2557, 3208, 3609, 4812, 5114, 7218, 7671, 9624, 10228, 10827, 14436, 15342, 20456, 21654, 23013, 28872, 30684, 43308, 46026, 61368, 69039, 86616, 92052, 138078, 184104, 276156, 552312, 1025357, 2050714, 3076071, 4101428, 6152142, 8202856, 9228213, 12304284, 18456426, 24608568, 27684639, 36912852, 55369278, 73825704, 110738556, 221477112]

約数ペア:

[(1, 221477112), (2, 110738556), (3, 73825704), (4, 55369278), (6, 36912852), (8, 27684639), (9, 24608568), (12, 18456426), (18, 12304284), (24, 9228213), (27, 8202856), (36, 6152142), (54, 4101428), (72, 3076071), (108, 2050714), (216, 1025357), (401, 552312), (802, 276156), (1203, 184104), (1604, 138078), (2406, 92052), (2557, 86616), (3208, 69039), (3609, 61368), (4812, 46026), (5114, 43308), (7218, 30684), (7671, 28872), (9624, 23013), (10228, 21654), (10827, 20456), (14436, 15342)]