13988988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 38709216

約数和(自身を除く): 24720228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 421, 426, 468, 639, 842, 852, 923, 1263, 1278, 1684, 1846, 2526, 2556, 2769, 3692, 3789, 5052, 5473, 5538, 7578, 8307, 10946, 11076, 15156, 16419, 16614, 21892, 29891, 32838, 33228, 49257, 59782, 65676, 89673, 98514, 119564, 179346, 197028, 269019, 358692, 388583, 538038, 777166, 1076076, 1165749, 1554332, 2331498, 3497247, 4662996, 6994494, 13988988]

約数ペア:

[(1, 13988988), (2, 6994494), (3, 4662996), (4, 3497247), (6, 2331498), (9, 1554332), (12, 1165749), (13, 1076076), (18, 777166), (26, 538038), (36, 388583), (39, 358692), (52, 269019), (71, 197028), (78, 179346), (117, 119564), (142, 98514), (156, 89673), (213, 65676), (234, 59782), (284, 49257), (421, 33228), (426, 32838), (468, 29891), (639, 21892), (842, 16614), (852, 16419), (923, 15156), (1263, 11076), (1278, 10946), (1684, 8307), (1846, 7578), (2526, 5538), (2556, 5473), (2769, 5052), (3692, 3789)]