221174408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2039}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 514080000

約数和(自身を除く): 292905592

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 149, 182, 298, 364, 596, 728, 1043, 1192, 1937, 2039, 2086, 3874, 4078, 4172, 7748, 8156, 8344, 13559, 14273, 15496, 16312, 26507, 27118, 28546, 53014, 54236, 57092, 106028, 108472, 114184, 185549, 212056, 303811, 371098, 607622, 742196, 1215244, 1484392, 2126677, 2430488, 3949543, 4253354, 7899086, 8506708, 15798172, 17013416, 27646801, 31596344, 55293602, 110587204, 221174408]

約数ペア:

[(1, 221174408), (2, 110587204), (4, 55293602), (7, 31596344), (8, 27646801), (13, 17013416), (14, 15798172), (26, 8506708), (28, 7899086), (52, 4253354), (56, 3949543), (91, 2430488), (104, 2126677), (149, 1484392), (182, 1215244), (298, 742196), (364, 607622), (596, 371098), (728, 303811), (1043, 212056), (1192, 185549), (1937, 114184), (2039, 108472), (2086, 106028), (3874, 57092), (4078, 54236), (4172, 53014), (7748, 28546), (8156, 27118), (8344, 26507), (13559, 16312), (14273, 15496)]