65409516

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 173837664

約数和(自身を除く): 108428148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 197, 207, 276, 394, 401, 414, 591, 788, 802, 828, 1182, 1203, 1604, 1773, 2364, 2406, 3546, 3609, 4531, 4812, 7092, 7218, 9062, 9223, 13593, 14436, 18124, 18446, 27186, 27669, 36892, 40779, 54372, 55338, 78997, 81558, 83007, 110676, 157994, 163116, 166014, 236991, 315988, 332028, 473982, 710973, 947964, 1421946, 1816931, 2843892, 3633862, 5450793, 7267724, 10901586, 16352379, 21803172, 32704758, 65409516]

約数ペア:

[(1, 65409516), (2, 32704758), (3, 21803172), (4, 16352379), (6, 10901586), (9, 7267724), (12, 5450793), (18, 3633862), (23, 2843892), (36, 1816931), (46, 1421946), (69, 947964), (92, 710973), (138, 473982), (197, 332028), (207, 315988), (276, 236991), (394, 166014), (401, 163116), (414, 157994), (591, 110676), (788, 83007), (802, 81558), (828, 78997), (1182, 55338), (1203, 54372), (1604, 40779), (1773, 36892), (2364, 27669), (2406, 27186), (3546, 18446), (3609, 18124), (4531, 14436), (4812, 13593), (7092, 9223), (7218, 9062)]