72471904

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 146615616

約数和(自身を除く): 74143712

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 137, 244, 271, 274, 488, 542, 548, 976, 1084, 1096, 1952, 2168, 2192, 4336, 4384, 8357, 8672, 16531, 16714, 33062, 33428, 37127, 66124, 66856, 74254, 132248, 133712, 148508, 264496, 267424, 297016, 528992, 594032, 1188064, 2264747, 4529494, 9058988, 18117976, 36235952, 72471904]

約数ペア:

[(1, 72471904), (2, 36235952), (4, 18117976), (8, 9058988), (16, 4529494), (32, 2264747), (61, 1188064), (122, 594032), (137, 528992), (244, 297016), (271, 267424), (274, 264496), (488, 148508), (542, 133712), (548, 132248), (976, 74254), (1084, 66856), (1096, 66124), (1952, 37127), (2168, 33428), (2192, 33062), (4336, 16714), (4384, 16531), (8357, 8672)]