64128204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 186015648

約数和(自身を除く): 121887444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 397, 641, 794, 1191, 1282, 1588, 1923, 2382, 2564, 2779, 3573, 3846, 4487, 4764, 5558, 5769, 7146, 7692, 8337, 8974, 11116, 11538, 13461, 14292, 16674, 17948, 23076, 25011, 26922, 33348, 40383, 50022, 53844, 80766, 100044, 161532, 254477, 508954, 763431, 1017908, 1526862, 1781339, 2290293, 3053724, 3562678, 4580586, 5344017, 7125356, 9161172, 10688034, 16032051, 21376068, 32064102, 64128204]

約数ペア:

[(1, 64128204), (2, 32064102), (3, 21376068), (4, 16032051), (6, 10688034), (7, 9161172), (9, 7125356), (12, 5344017), (14, 4580586), (18, 3562678), (21, 3053724), (28, 2290293), (36, 1781339), (42, 1526862), (63, 1017908), (84, 763431), (126, 508954), (252, 254477), (397, 161532), (641, 100044), (794, 80766), (1191, 53844), (1282, 50022), (1588, 40383), (1923, 33348), (2382, 26922), (2564, 25011), (2779, 23076), (3573, 17948), (3846, 16674), (4487, 14292), (4764, 13461), (5558, 11538), (5769, 11116), (7146, 8974), (7692, 8337)]