291222272

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5489

約数の個数: 72

約数和(自身を含む): 667652160

約数和(自身を除く): 376429888

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 304, 352, 418, 608, 704, 836, 1216, 1408, 1672, 2432, 2816, 3344, 4864, 5443, 6688, 10886, 13376, 21772, 26752, 43544, 53504, 59873, 87088, 103417, 119746, 174176, 206834, 239492, 348352, 413668, 478984, 696704, 827336, 957968, 1137587, 1393408, 1654672, 1915936, 2275174, 3309344, 3831872, 4550348, 6618688, 7663744, 9100696, 13237376, 15327488, 18201392, 26474752, 36402784, 72805568, 145611136, 291222272]

約数ペア:

[(1, 291222272), (2, 145611136), (4, 72805568), (8, 36402784), (11, 26474752), (16, 18201392), (19, 15327488), (22, 13237376), (32, 9100696), (38, 7663744), (44, 6618688), (64, 4550348), (76, 3831872), (88, 3309344), (128, 2275174), (152, 1915936), (176, 1654672), (209, 1393408), (256, 1137587), (304, 957968), (352, 827336), (418, 696704), (608, 478984), (704, 413668), (836, 348352), (1216, 239492), (1408, 206834), (1672, 174176), (2432, 119746), (2816, 103417), (3344, 87088), (4864, 59873), (5443, 53504), (6688, 43544), (10886, 26752), (13376, 21772)]