13191516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 36507744

約数和(自身を除く): 23316228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 397, 426, 468, 639, 794, 852, 923, 1191, 1278, 1588, 1846, 2382, 2556, 2769, 3573, 3692, 4764, 5161, 5538, 7146, 8307, 10322, 11076, 14292, 15483, 16614, 20644, 28187, 30966, 33228, 46449, 56374, 61932, 84561, 92898, 112748, 169122, 185796, 253683, 338244, 366431, 507366, 732862, 1014732, 1099293, 1465724, 2198586, 3297879, 4397172, 6595758, 13191516]

約数ペア:

[(1, 13191516), (2, 6595758), (3, 4397172), (4, 3297879), (6, 2198586), (9, 1465724), (12, 1099293), (13, 1014732), (18, 732862), (26, 507366), (36, 366431), (39, 338244), (52, 253683), (71, 185796), (78, 169122), (117, 112748), (142, 92898), (156, 84561), (213, 61932), (234, 56374), (284, 46449), (397, 33228), (426, 30966), (468, 28187), (639, 20644), (794, 16614), (852, 15483), (923, 14292), (1191, 11076), (1278, 10322), (1588, 8307), (1846, 7146), (2382, 5538), (2556, 5161), (2769, 4764), (3573, 3692)]