381808328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 808488000

約数和(自身を除く): 426679672

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 149, 296, 298, 407, 596, 787, 814, 1192, 1574, 1628, 1639, 3148, 3256, 3278, 5513, 6296, 6556, 8657, 11026, 13112, 17314, 22052, 29119, 34628, 44104, 58238, 60643, 69256, 116476, 117263, 121286, 232952, 234526, 242572, 320309, 469052, 485144, 640618, 938104, 1281236, 1289893, 2562472, 2579786, 4338731, 5159572, 8677462, 10319144, 17354924, 34709848, 47726041, 95452082, 190904164, 381808328]

約数ペア:

[(1, 381808328), (2, 190904164), (4, 95452082), (8, 47726041), (11, 34709848), (22, 17354924), (37, 10319144), (44, 8677462), (74, 5159572), (88, 4338731), (148, 2579786), (149, 2562472), (296, 1289893), (298, 1281236), (407, 938104), (596, 640618), (787, 485144), (814, 469052), (1192, 320309), (1574, 242572), (1628, 234526), (1639, 232952), (3148, 121286), (3256, 117263), (3278, 116476), (5513, 69256), (6296, 60643), (6556, 58238), (8657, 44104), (11026, 34628), (13112, 29119), (17314, 22052)]