281945408

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 112

約数和(自身を含む): 651784320

約数和(自身を除く): 369838912

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 32, 34, 38, 46, 64, 68, 76, 92, 136, 152, 184, 272, 304, 323, 368, 391, 437, 544, 593, 608, 646, 736, 782, 874, 1088, 1186, 1216, 1292, 1472, 1564, 1748, 2372, 2584, 3128, 3496, 4744, 5168, 6256, 6992, 7429, 9488, 10081, 10336, 11267, 12512, 13639, 13984, 14858, 18976, 20162, 20672, 22534, 25024, 27278, 27968, 29716, 37952, 40324, 45068, 54556, 59432, 80648, 90136, 109112, 118864, 161296, 180272, 191539, 218224, 231863, 237728, 259141, 322592, 360544, 383078, 436448, 463726, 475456, 518282, 645184, 721088, 766156, 872896, 927452, 1036564, 1532312, 1854904, 2073128, 3064624, 3709808, 4146256, 4405397, 6129248, 7419616, 8292512, 8810794, 12258496, 14839232, 16585024, 17621588, 35243176, 70486352, 140972704, 281945408]

約数ペア:

[(1, 281945408), (2, 140972704), (4, 70486352), (8, 35243176), (16, 17621588), (17, 16585024), (19, 14839232), (23, 12258496), (32, 8810794), (34, 8292512), (38, 7419616), (46, 6129248), (64, 4405397), (68, 4146256), (76, 3709808), (92, 3064624), (136, 2073128), (152, 1854904), (184, 1532312), (272, 1036564), (304, 927452), (323, 872896), (368, 766156), (391, 721088), (437, 645184), (544, 518282), (593, 475456), (608, 463726), (646, 436448), (736, 383078), (782, 360544), (874, 322592), (1088, 259141), (1186, 237728), (1216, 231863), (1292, 218224), (1472, 191539), (1564, 180272), (1748, 161296), (2372, 118864), (2584, 109112), (3128, 90136), (3496, 80648), (4744, 59432), (5168, 54556), (6256, 45068), (6992, 40324), (7429, 37952), (9488, 29716), (10081, 27968), (10336, 27278), (11267, 25024), (12512, 22534), (13639, 20672), (13984, 20162), (14858, 18976)]