256797312

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 731054400

約数和(自身を除く): 474257088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 61, 64, 76, 96, 114, 122, 128, 152, 183, 192, 228, 244, 304, 366, 384, 456, 488, 577, 608, 732, 912, 976, 1154, 1159, 1216, 1464, 1731, 1824, 1952, 2308, 2318, 2432, 2928, 3462, 3477, 3648, 3904, 4616, 4636, 5856, 6924, 6954, 7296, 7808, 9232, 9272, 10963, 11712, 13848, 13908, 18464, 18544, 21926, 23424, 27696, 27816, 32889, 35197, 36928, 37088, 43852, 55392, 55632, 65778, 70394, 73856, 74176, 87704, 105591, 110784, 111264, 131556, 140788, 148352, 175408, 211182, 221568, 222528, 263112, 281576, 350816, 422364, 445056, 526224, 563152, 668743, 701632, 844728, 1052448, 1126304, 1337486, 1403264, 1689456, 2006229, 2104896, 2252608, 2674972, 3378912, 4012458, 4209792, 4505216, 5349944, 6757824, 8024916, 10699888, 13515648, 16049832, 21399776, 32099664, 42799552, 64199328, 85599104, 128398656, 256797312]

約数ペア:

[(1, 256797312), (2, 128398656), (3, 85599104), (4, 64199328), (6, 42799552), (8, 32099664), (12, 21399776), (16, 16049832), (19, 13515648), (24, 10699888), (32, 8024916), (38, 6757824), (48, 5349944), (57, 4505216), (61, 4209792), (64, 4012458), (76, 3378912), (96, 2674972), (114, 2252608), (122, 2104896), (128, 2006229), (152, 1689456), (183, 1403264), (192, 1337486), (228, 1126304), (244, 1052448), (304, 844728), (366, 701632), (384, 668743), (456, 563152), (488, 526224), (577, 445056), (608, 422364), (732, 350816), (912, 281576), (976, 263112), (1154, 222528), (1159, 221568), (1216, 211182), (1464, 175408), (1731, 148352), (1824, 140788), (1952, 131556), (2308, 111264), (2318, 110784), (2432, 105591), (2928, 87704), (3462, 74176), (3477, 73856), (3648, 70394), (3904, 65778), (4616, 55632), (4636, 55392), (5856, 43852), (6924, 37088), (6954, 36928), (7296, 35197), (7808, 32889), (9232, 27816), (9272, 27696), (10963, 23424), (11712, 21926), (13848, 18544), (13908, 18464)]