398265696

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{19477}}^1$

素因数の和:19564

約数の個数: 72

約数和(自身を含む): 1148578704

約数和(自身を除く): 750313008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 19477, 20448, 38954, 58431, 77908, 116862, 155816, 175293, 233724, 311632, 350586, 467448, 623264, 701172, 934896, 1382867, 1402344, 1869792, 2765734, 2804688, 4148601, 5531468, 5609376, 8297202, 11062936, 12445803, 16594404, 22125872, 24891606, 33188808, 44251744, 49783212, 66377616, 99566424, 132755232, 199132848, 398265696]

約数ペア:

[(1, 398265696), (2, 199132848), (3, 132755232), (4, 99566424), (6, 66377616), (8, 49783212), (9, 44251744), (12, 33188808), (16, 24891606), (18, 22125872), (24, 16594404), (32, 12445803), (36, 11062936), (48, 8297202), (71, 5609376), (72, 5531468), (96, 4148601), (142, 2804688), (144, 2765734), (213, 1869792), (284, 1402344), (288, 1382867), (426, 934896), (568, 701172), (639, 623264), (852, 467448), (1136, 350586), (1278, 311632), (1704, 233724), (2272, 175293), (2556, 155816), (3408, 116862), (5112, 77908), (6816, 58431), (10224, 38954), (19477, 20448)]