15947888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 36188160

約数和(自身を除く): 20240272

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 79, 88, 124, 148, 158, 176, 248, 296, 316, 341, 407, 496, 592, 632, 682, 814, 869, 1147, 1264, 1364, 1628, 1738, 2294, 2449, 2728, 2923, 3256, 3476, 4588, 4898, 5456, 5846, 6512, 6952, 9176, 9796, 11692, 12617, 13904, 18352, 19592, 23384, 25234, 26939, 32153, 39184, 46768, 50468, 53878, 64306, 90613, 100936, 107756, 128612, 181226, 201872, 215512, 257224, 362452, 431024, 514448, 724904, 996743, 1449808, 1993486, 3986972, 7973944, 15947888]

約数ペア:

[(1, 15947888), (2, 7973944), (4, 3986972), (8, 1993486), (11, 1449808), (16, 996743), (22, 724904), (31, 514448), (37, 431024), (44, 362452), (62, 257224), (74, 215512), (79, 201872), (88, 181226), (124, 128612), (148, 107756), (158, 100936), (176, 90613), (248, 64306), (296, 53878), (316, 50468), (341, 46768), (407, 39184), (496, 32153), (592, 26939), (632, 25234), (682, 23384), (814, 19592), (869, 18352), (1147, 13904), (1264, 12617), (1364, 11692), (1628, 9796), (1738, 9176), (2294, 6952), (2449, 6512), (2728, 5846), (2923, 5456), (3256, 4898), (3476, 4588)]