38986005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 30997995

約数列:

[1, 3, 5, 15, 19, 29, 53, 57, 87, 89, 95, 145, 159, 265, 267, 285, 435, 445, 551, 795, 1007, 1335, 1537, 1653, 1691, 2581, 2755, 3021, 4611, 4717, 5035, 5073, 7685, 7743, 8265, 8455, 12905, 14151, 15105, 23055, 23585, 25365, 29203, 38715, 49039, 70755, 87609, 89623, 136793, 146015, 147117, 245195, 268869, 410379, 438045, 448115, 683965, 735585, 1344345, 2051895, 2599067, 7797201, 12995335, 38986005]

約数ペア:

[(1, 38986005), (3, 12995335), (5, 7797201), (15, 2599067), (19, 2051895), (29, 1344345), (53, 735585), (57, 683965), (87, 448115), (89, 438045), (95, 410379), (145, 268869), (159, 245195), (265, 147117), (267, 146015), (285, 136793), (435, 89623), (445, 87609), (551, 70755), (795, 49039), (1007, 38715), (1335, 29203), (1537, 25365), (1653, 23585), (1691, 23055), (2581, 15105), (2755, 14151), (3021, 12905), (4611, 8455), (4717, 8265), (5035, 7743), (5073, 7685)]