638457216

素因数分解:

$2^7\times 3^1\times {\mathrm{727}}^1\times {\mathrm{2287}}^1$

素因数の和:3031

約数の個数: 64

約数和(自身を含む): 1698977280

約数和(自身を除く): 1060520064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 727, 1454, 2181, 2287, 2908, 4362, 4574, 5816, 6861, 8724, 9148, 11632, 13722, 17448, 18296, 23264, 27444, 34896, 36592, 46528, 54888, 69792, 73184, 93056, 109776, 139584, 146368, 219552, 279168, 292736, 439104, 878208, 1662649, 3325298, 4987947, 6650596, 9975894, 13301192, 19951788, 26602384, 39903576, 53204768, 79807152, 106409536, 159614304, 212819072, 319228608, 638457216]

約数ペア:

[(1, 638457216), (2, 319228608), (3, 212819072), (4, 159614304), (6, 106409536), (8, 79807152), (12, 53204768), (16, 39903576), (24, 26602384), (32, 19951788), (48, 13301192), (64, 9975894), (96, 6650596), (128, 4987947), (192, 3325298), (384, 1662649), (727, 878208), (1454, 439104), (2181, 292736), (2287, 279168), (2908, 219552), (4362, 146368), (4574, 139584), (5816, 109776), (6861, 93056), (8724, 73184), (9148, 69792), (11632, 54888), (13722, 46528), (17448, 36592), (18296, 34896), (23264, 27444)]