388637438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{587}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 709720704

約数和(自身を除く): 321083266

約数列:

[1, 2, 7, 14, 19, 38, 131, 133, 262, 266, 361, 587, 722, 917, 1174, 1834, 2489, 2527, 4109, 4978, 5054, 8218, 11153, 17423, 22306, 34846, 47291, 76897, 78071, 94582, 153794, 156142, 211907, 331037, 423814, 538279, 662074, 1076558, 1461043, 1483349, 2922086, 2966698, 10227301, 20454602, 27759817, 55519634, 194318719, 388637438]

約数ペア:

[(1, 388637438), (2, 194318719), (7, 55519634), (14, 27759817), (19, 20454602), (38, 10227301), (131, 2966698), (133, 2922086), (262, 1483349), (266, 1461043), (361, 1076558), (587, 662074), (722, 538279), (917, 423814), (1174, 331037), (1834, 211907), (2489, 156142), (2527, 153794), (4109, 94582), (4978, 78071), (5054, 76897), (8218, 47291), (11153, 34846), (17423, 22306)]